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1A rapid advice guideline for the diagnosis and treatment of 2019 novel coronavirus(2019-nCoV) infected pneumonia(standard version)显示文摘In December 2019, a new type viral pneumonia cases occurred in Wuhan, Hubei Province;and then named '2019 novel coronavirus(2019-nCoV)' by the World Health Organization(WHO) on 12 January 2020. For it is a never been experienced respiratory disease before and with infection ability widely and quickly, it attracted the world’s attention but without treatment and control manual. For the request from frontline clinicians and public health professionals of 2019-nCoV infected pneumonia management, an evidence-based guideline urgently needs to be developed. Therefore, we drafted this guideline according to the rapid advice guidelines methodology and general rules of WHO guideline development;we also added the first-hand management data of Zhongnan Hospital of Wuhan University. This guideline includes the guideline methodology, epidemiological characteristics, disease screening and population prevention, diagnosis, treatment and control(including traditional Chinese Medicine), nosocomial infection prevention and control, and disease nursing of the 2019-nCoV. Moreover, we also provide a whole process of a successful treatment case of the severe 2019-nCoV infected pneumonia and experience and lessons of hospital rescue for 2019-nCoV infections. This rapid advice guideline is suitable for the first frontline doctors and nurses, managers of hospitals and healthcare sections, community residents, public health persons, relevant researchers, and all person who are interested in the 2019-nCoV.Ying-Hui Jin Lin Cai Zhen-Shun Cheng Hong Cheng Tong Deng Yi-Pin Fan Cheng Fang Di Huang Lu-Qi Huang Qiao Huang Yong Han Bo Hu Fen Hu Bing-Hui Li Yi-Rong Li Ke Liang Li-Kai Lin Li-Sha Luo Jing Ma Lin-Lu Ma Zhi-Yong Peng Yun-Bao Pan Zhen-Yu Pan Xue-Qun Ren Hui-Min Sun Ying Wang Yun-Yun Wang Hong Weng Chao-Jie Wei Dong-Fang Wu Jian Xia Yong Xiong Hai-Bo Xu Xiao-Mei Yao Yu-Feng Yuan Tai-Sheng Ye Xiao-Chun Zhang Ying-Wen Zhang Yin-Gao Zhang Hua-Min Zhang Yan Zhao Ming-Juan Zhao Hao Zi Xian-Tao Zeng Yong-Yan Wang Xing-Huan Wang 2020Military Medical Research2020,7,1:161
2Multimodality treatment in hepatocellular carcinoma patients with tumor thrombi in portal vein显示文摘AIM To compare the therapeutic effect andsignificances of multimodality treatment forhepatocellular carcinoma (HCC) with tumorthrombi in portal vein (PVTT).METHODS HCC patients (n = 147) with tumortrombi in the main portal vein or the first branchof portal vein were divided into four groups bythe several therapeutic methods. There wereconservative treatment group in 18 out ofpatients (group A); and hepatic artery ligation(HAL) and/or hepatic artery infusion (HAl)group in 18 patients (group B), in whompostoberative chemoembolization was doneperiodically; group of removal of HCC with PVTTin 79 (group C) and group of transcatheterhepatic arterial chemoembolization (TACE) orHAl and/or portal vein infusion (PVI) afteroperation in 32 (group D).RESULTS The median survival period was 12months in our series and the 1-, 3-, and 5-yearsurvival rates were 44.3%, 24.5% and 15.2%,respectively. The median survival times were 2,5, 12 and 16 months in group A, B, C and D,respectively. The 1-, 3- and 5-year survival rateswere 5.6%, 0% and 0% in group A; 22.2%,5.6% and 0% in group B; 53.9%, 26.9% and16.6% in group C; 79.3%, 38.9% and 26.8% ingroup D, respectively. Significant differenceappeared in the survival rates among the groups(P<0.05).CONCLUSION Hepatic resection with removalof tumor thrombi and HCC should increase thecurative effects and be encouraged for theprolongation of life span and quality of life forHCC patients with PVTT, whereas the besttherapeutic method for HCC with PVTT is withregional hepatic chemotherapy orchemoemblization after hepatic resection withremoval of tumor thrombi.Jia Fan Zhi Quan Wu Zhao You Tang Jian Zhou Shuang Jian Qiu Zeng Chen Ma Xin Da Zhou Sheng Long Ye Liver Cancer Institute, Zhongshan Hospital, Fudan University Medical Center (Former Shanghai University), 136 Yixueyuan Road, Shanghai 200032, China 2001World Journal of Gastroenterology2001,7,1:80
3Combined detection tumor markers for diagnosis and prognosis of gallbladder cancer显示文摘AIM:To clarify the value of combined use of markers for the diagnosis of gallbladder cancer and prediction of its prognosis.METHODS:Serum cancer antigens(CA)199,CA242,carcinoembryonic antigen(CEA),and CA125 levels were measured in 78 patients with gallbladder cancer(GBC),78 patients with benign gallbladder diseases,and 78 healthy controls using electrochemiluminescence.CA199,CA242,CEA,and CA125 levels and positive rates were analyzed and evaluated pre-and postoperatively.Receiver operator characteristic curves were used to determine diagnostic sensitivity and specificity of GBC.Survival time analysis,including survival curves,and multivariate survival analysis of a Cox proportional hazards model was performed to evaluate independent prognostic factors.RESULTS:Serum CA242,CA125,and CA199 levels in the GBC group were significantly higher when compared with those in the benign gallbladder disease and healthy control groups(P<0.01).With a single tumor marker for GBC diagnosis,the sensitivity of CA199 was the highest(71.7%),with the highest specificity being in CA242(98.7%).Diagnostic accuracy was highest with a combination of CA199,CA242,and CA125(69.2%).CA242 could be regarded as a tumor marker of GBC infiltration in the early stage.The sensitivity of CA199 and CA242 increased with progression of GBC and advanced lymph node metastasis(P<0.05).The78 GBC patients were followed up for 6-12 mo(mean:8 mo),during which time serum CA199,CA125,and CA242 levels in the recurrence group were significantly higher than in patients without recurrence(P<0.01).The post-operative serum CA199,CA125,and CA242levels in the non-recurrence group were significantly lower than those in the GBC group(P<0.01).Multivariate survival analysis using a Cox proportional hazards model showed that cancer of the gallbladder neck and CA199 expression level were independent prognostic factors.CONCLUSION:CA242 is a marker of GBC infiltration in the early stage.CA199 and cancer of the gallbladder neck are therapeutic and prognostic markers.Yun-Feng Wang Fei-Ling Feng Xu-Hong Zhao Zhen-Xiong Ye He-Ping Zeng Zhen Li Xiao-Qing Jiang Zhi-Hai Peng 2014World Journal of Gastroenterology2014,20,14:37
4Gd-EOB-DTPA-enhanced magnetic resonance imaging for focal liver lesions in Chinese patients:a multicenter,open-label,phase Ⅲ study显示文摘BACKGROUND:Contrast agents help to improve visibility in magnetic resonance(MR)imaging.However,owing to the large interstitial spaces of the liver,there is a reduction in the natural contrast gradient between lesions and healthy tissue.This study was undertaken to evaluate the efficacy and safety of the liverspecific MR imaging contrast agent gadoxetate disodium(GdEOB-DTPA)in Chinese patients.METHODS:This was a single-arm,open-label,multicenter study in patients with known or suspected focal liver lesions referred for contrast-enhanced MR imaging.MR imaging was performed in 234 patients before and after a single intravenous bolus of Gd-EOB-DTPA(0.025 mmol/kg body weight).Images were evaluated by clinical study investigators and three independent,blinded radiologists.The primary efficacy endpoint was sensitivity in lesion detection.RESULTS:Gd-EOB-DTPA improved sensitivity in lesion detection by 9.46%compared with pre-contrast imaging for the average of the three blinded readers(94.78%vs 85.32%for Gd-EOB-DTPA vs pre-contrast,respectively).Improvements in detection were more pronounced in lesions less than 1cm.Gd-EOB-DTPA improved diagnostic accuracy in lesion classification.CONCLUSIONS:This open-label study demonstrated that Gd-EOB-DTPA improves diagnostic sensitivity in liver lesions,particularly in those smaller than 1 cm.Gd-EOB-DTPA also significantly improves the diagnostic accuracy in lesion classification,and furthermore,Gd-EOB-DTPA is safe in Chinese patients with liver lesions.Meng-Su Zeng Hui-Yi Ye Liang Guo Wei-Jun Peng Jian-Ping Lu Gao-Jun Teng Josy Breuer Yi Huan Ping Li Jian-Rong Xu Chang-Hong Liang 2013Hepatobiliary & Pancreatic Diseases International2013,12,6:31
5Extracorporeal shock wave treatment for non-inflammatory chronic pelvic pain syndrome: a prospective, randomized and sham-controlled study显示文摘背景长期的 prostatitis/chronic 骨盆的疼痛症候群( CP/CPPS )是疼痛在会阴描绘的临床的症候群,骨盆, suprapubic 区域,或外部生殖器和 voiding 的可变的度和身体外的冲击波治疗( ESWT )的射精的 disturbance.The 止痛剂效果是有趣的现象,不清楚的机制为 urolithiasis , ESWT 作为一种其他的选择在上成为了一条日益普及的治疗学的途径在应用碰巧发现了另外,组 1 中的 28.9 个与组 2 中的 10.8 个相比展出了临床上重要的改进( P 0.01 ) .Moreover ,在在4星期、12星期的后续的组 1 的很多病人与组 2 .Conclusion ESWT 展览相比作为应答者(可察觉、临床上重要的反应)被评估在 CP/CPPS 的治疗的一个潜在地治疗学的角色。ZENG Xiao-yong LIANG Chen YE Zhang-qun 2012Chinese Medical Journal2012,,1:29
6Recent advances and perspectives of nucleic acid detection for coronavirus显示文摘The recent pneumonia outbreak caused by a novel coronavirus(SARS-CoV-2)is posing a great threat to global public health.Therefore,rapid and accurate identification of pathogenic viruses plays a vital role in selecting appropriate treatments,saving people's lives and preventing epidemics.It is important to establish a quick standard diagnostic test for the detection of the infectious disease(COVID-19)to prevent subsequent secondary spread.Polymerase chain reaction(PCR)is regarded as a gold standard test for the molecular diagnosis of viral and bacterial infections with high sensitivity and specificity.Isothermal nucleic acid amplification is considered to be a highly promising candidate method due to its fundamental advantage in quick procedure time at constant temperature without thermocycler opera-tion.A variety of improved or new approaches also have been developed.This review summarizes the currently available detection methods for coronavirus nucleic acid.It is anticipated that this will assist researchers and clinicians in developing better techniques for timely and effective detection of coro-navirus infection.Minzhe Shen Ying Zhou Jiawei Ye Abdu Ahmed Abdullah AL-maskri Yu Kang Su Zeng Sheng Cai 2020Journal of Pharmaceutical Analysis2020,10,2:27
7LSCHL4 from Japonica Cultivar, Which Is Allelic to NAL 1, Increases Yield of Indica Super Rice 93-11显示文摘在米饭的高产量的基本房屋是改进叶光合的效率和坐标 sourcesink relationshipin 米饭植物。与词法特点和米饭的叶绿素内容有关的量的特点 loci ( QTL )在出发到成熟的阶段离开 weredetected ,并且与旗帜叶形状和叶绿素内容有关的主要 QTL ( qLSCHL4 )在 recombinant 在两个阶段被检测生来的线构造了 usingthe indica 米饭栽培变种 93-11 和装饰用的梨树米饭栽培变种 Nipponbare 。基于地图的克隆和表示分析证明 LSCHL4 对 NAL1 突变而产生之遗传,基因以前在米饭的狭窄的叶异种报导了。与从 Nipponbare 带 LSCHL4 的向量转变的 Overexpression 线和 93-11 (NIL-9311 ) 的一根 near-isogenic 线显著地增加了叶叶绿素内容,扩大旗帜叶尺寸,和改进圆锥花序类型。NIL-9311 的 averageyield 比 93-11 的高是 18.70% 。这些结果显示 LSCHL4 有多种的功能。探索并且节节上升更产量很高的等位基因类似于为超级米饭繁殖的 LSCHL4 提供一个有效方法在提起米饭产量完成新突破并且产生解决全球食物 safety.Key 词的问题的新 ideasfor:Guang-Heng Zhang Shu-Yu Li Li Wang Wei-Jun Ye Da-Li Zeng Yu-Chun Rao You-Lin Peng Jiang Hu Yao-Long Yang Jie Xu De-Yong Ren Zhen-Yu Gao Li Zhu Guo-Jun Dong Xing-Ming Hu Mei-Xian Yan Long-Biao Guo Chuan-You Li Qian Qian 2014Molecular Plant2014,7,8:23
8Clinicopathologic characteristics and prognosis of gastroenteropancreatic neuroendocrine neoplasms: a multicenter study in South China显示文摘Background: Gastroenteropancreatic neuroendocrine neoplasms(GEP-NENs) are a heterogeneous group of rare tumors. Many issues in terms of epidemiologic features, pathogenesis, and treatment of GEP-NENs are still under discussion. Our study aimed to analyze the clinicopathologic characteristics and prognosis of Chinese patients with GEP-NENs.Methods: Complete clinicopathologic data and survival information of 1183 patients with GEP-NENs treated between 2005 and 2015 were collected from five medical centers in Guangdong Province, China. Patient survival was estimated using the Kaplan–Meier method and analyzed using the log-rank test; prognostic factors were analyzed using the Cox proportional hazards model.Results: The most common tumor location was the rectum(37.4%), followed by the pancreas(28.1%), stomach(20.7%), small intestine(7.2%), appendix(3.4%), and colon(3.3%). After initial definitive diagnosis, 1016(85.9%) patients underwent surgery. The 1-, 3-, and 5-year overall survival(OS) rates for the entire cohort were 87.9%, 78.5%, and 72.8%, respectively. The 3-year OS rates of patients with G1, G2, and G3 tumors were 93.1%, 82.7%, and 43.1%, respectively(P < 0.001). The 3-year OS rates of patients with stage I, II, III, and IV tumors were 96.0%, 87.3%, 64.0%, and 46.8%, respectively(P < 0.001). Patients with distant metastasis who underwent palliative surgery had a longer survival than those who did not(P = 0.003). Similar survival benefits of palliative surgery were observed in patients with neuroendocrine tumor(P y, M category, and sur= 0.031) or neuroendocrine carcinoma(P gery were found to be independent prog= 0.046). In multivariate analysis, age, grade, N categornostic factors.Conclusions: Patients with GEP-NENs who are women, younger than 50 years old, have smaller tumor size, have lower tumor grade, have lower T/N/M category, and who undergo surgery can have potentially longer survival time. Our data showed that surgery can improve the prognosis of GEP-NEN patients with distant metastasis. However, randomized controlled trials need to be conducted to establish the optimal criteria for selecting patients to undergo surgery.Cheng Fang Wei Wang Yu Zhang Xingyu Feng Jian Sun Yujie Zeng Ye Chen Yong Li Minhu Chen Zhiwei Zhou Jie Chen 2017Chinese Journal of Cancer2017,36,10:23
9Current status of diagnosis and treatment of bladder cancer in China-Analyses of Chinese Bladder Cancer Consortium database显示文摘Objective:To investigate current status of diagnosis and treatment of bladder cancer in China.Methods:A database was generated by Chinese Bladder Cancer Consortium(CBCC).From January 2007 to December 2012,14,260 cases from 44 CBCC centers were included.Data of diagnosis,treatment and pathology were collected.Results:The average age was 63.5 year-old and most patients were male(84.3%).The most common histologic types were urothelial carcinoma(91.4%),adenocarcinoma(1.8%),and squamous carcinoma(1.9%).According to 1973 and 2004 WHO grading system,42.0%,41.0%,and 17.0% of patients were grade 1,2,and 3,and 16.0%,48.7%,and 35.3% of patients were papillary urothelial neoplasms of low malignant potential,low,and high grade,respectively.Non-muscle invasive bladder cancer(NMIBC)and muscle invasive bladder cancer(MIBC)were 25.2% and 74.1%,respectively(0.8% not clear).Carcinoma in situ was only 2.4%.Most patients were diagnosed by white-light cystoscopy with biopsy(74.3%).Fluorescence and narrow band imaging cystoscopy had additional detection rate of 1.0% and 4.0%,respectively.Diagnostic transurethral resection(TUR)provided detection rate of 16.9%.Most NMIBCs were treated with TUR(89.2%).After initial TUR,2.6%accepted second TUR,and 45.7%,69.9%,and 58.7% accepted immediate,induced,and maintenance chemotherapy instillation,respectively.Most MIBCs were treated with radical cystectomy(RC,59.7%).Laparoscopic RCs were 35.1%,while open RC 63.4%.Extended and standard pelvic lymph node dissection were 7% and 66%,respectively.Three most common urinary diversions were orthotopic neobladder(44%),ileal conduit(31%),and ureterocutaneostomy(23%).Only 2.3% of patients accepted neo-adjuvant chemotherapy and only 18%of T3 and T4 patients accepted adjuvant chemotherapy.Conclusion:Disease characteristics are similar to international reports,while differences of diagnosis and treatment exist.This study can provide evidences for revisions of the guideline on bladder cancer in China.Kaiwen Li Tianxin Lin Wei Xue Xin Mu Enci Xu Xu Yang Fubao Chen Guangyong Li Lulin Ma Guoliang Wang Chaozhao Liang Haoqiang Shi Ming Li Mao Tang Xueyi Xue Yisong Lv Yaoliang Deng Chengyang Li Zhiwen Chen Xiaozhou Zhou Fengshuo Jin Xudong Liu Jinxin Wei Lei Shi Xin Gou Weiyang He Liqun Zhou Lin Cai Baiye Jin Guanghou Fu Xiangbo Kong Hongyan Sun Ye Tian Lang Feng Tiejun Pan Yiyi Wu Dongwen Wang Hailong Hao Benkang Shi Yaofeng Zhu Qiang Wei Ping Han Changli Wu Dawei Tian Zhangqun Ye Zheng Liu Zhiping Wang Junqiang Tian Lin Qi Minfeng Chen Wei Li Jinchun Qi Gongxian Wang Longlong Fu Zhaolin Sun Guangheng Luo Zhoujun Shen Zhaowei Zhu Jinchun Xing Zhun Wu Dong Wei Xin Chen Yanqun Na Hongfeng Guo Chunxi Wang Zhihua Lu Chuize Kong Yang Liu Jin Yang Jianyun Hu Xin Gao Jielin Li Changjun Yin Pu Li Shan Chen Zhen Du Jiongming Li Yongji Yan Xu Zhang Shuang Huang Fangjian Zhou Zhiling Zhang Yinghao Sun Shuxiong Zeng Song Cen Jiaquan Zhou Hanzhong Li Jin Wen Jian Huang 2015Asian Journal of Urology2015,2,2:21
10Combined APACH Ⅱ score and arterial blood lactate clearance rate to predict the prognosis of ARDS patients显示文摘Objective:To explore the easily applicable indicators of practical value to evaluate the prognosis of acute respiratory distress syndrome(ARDS).Methods:Blood and biochemical tests and bloodgas analyses were performed upon entry into the ICUs,12 h,24 h,48 h and 72 h after that in 72 ARDS patients(who were admitted to the ICUs of our hospital from January 2000 to December 2009).Then APACHEⅡscores were achieved by combining relevant physiological parameters and laboratory results.Results:There was a statistical difference between the death group and survival group at different time points upon entering the ICUs in terms of APACHEⅡscore, alveolar-arterial oxygen difference and arterial blood lactate clearance rate.PaO2/FiO2 values were recorded to be statistically different between the death group and survival group 24 h,48 h and 72 h,respectively after entry into the ICUs.In addition,registered linear regression existed between APACHEⅡscore,alveolar-arterial oxygen difference or PaO2/FiO2 value and time. APACHEⅡscore 24 h and 72 h after entering ICUs predicted mortality with an area under the ROC curve(AUC) standing respectively at 0.919 and 0.9SS.Arterial blood lactate clearance rate 12 h, 24 h,48 h and 72 h after entering ICUs predicted mortality with an area under the ROC curve (AUC) at 0.918,0.918,0.909 and 0.991,respectively.Conclusions:APACHEⅡscore applied in combination with arterial blood lactate clearance rate is of clinical significance in assessing the prognosis of ARDS patients.Wen-Hui Wu Yuan-Yuan Niu Chang-Ran Zhang Long-Bin Xiao Hui-Shao Ye De-Mao Pan Mian Zeng 2012Asian Pacific Journal of Tropical Medicine2012,5,8:21
11BEAK-SHAPED GRAIN 1/TRIANGULAR HULL 1,a DUF640 gene,is associated with grain shape,size and weight in rice显示文摘Grain shape and size both determine grain weight and therefore crop yield.However,the molecular mechanisms controlling grain shape and size are still largely unknown.Here,we isolated a rice mutant,beak-shaped grain1(bsg1),which produced beak-shaped grains of decreased width,thickness and weight with a loosely interlocked lemma and palea that were unable to close tightly.Starch granules were also irregularly packaged in the bsg1 grains.Consistent with the lemma and palea shapes,the outer parenchyma cell layers of these bsg1 tissues developed fewer cells with decreased size.Map-based cloning revealed that BSG1 encoded a DUF640 domain protein,TRIANGULAR HULL 1,of unknown function.Quantitative PCR and GUS fusion reporter assays showed that BSG1 was expressed mainly in the young panicle and elongating stem.The BSG1 mutation affected the expression of genes potentially involved in the cell cycle and GW2,an important regulator of grain size in rice.Our results suggest that BSG1 determines grain shape and size probably by modifying cell division and expansion in the grain hull.YAN DaWei ZHOU Ya YE ShengHai ZENG LongJun ZHANG XiaoMing HE ZuHua 2013Science China(Life Sciences)2013,56,3:20
12Clinical trial with traditional Chinese medicine intervention ''tonifying the kidney to promote liver regeneration and repair by affecting stem cells and their microenvironment'' for chronic hepatitis B-associated liver failure显示文摘AIM:To study the clinical efficacy of traditional Chinese medicine(TCM)intervention'tonifying the kidney to promote liver regeneration and repair by affecting stem cells and their microenvironment'('TTK')for treating liver failure due to chronic hepatitis B.METHODS:We designed the study as a randomized controlled clinical trial.Registration number of Chinese Clinical Trial Registry is Chi CTR-TRC-12002961.A total of 144 patients with liver failure due to infection with chronic hepatitis B virus were enrolled in this randomized controlled clinical study.Participants were randomly assigned to the following three groups:(1)a modern medicine control group(MMC group,36patients);(2)a'tonifying qi and detoxification'('TQD')group(72 patients);and(3)a'tonifying the kidney to promote liver regeneration and repair by affecting stem cells and their microenvironment'('TTK')group(36patients).Patients in the MMC group received general internal medicine treatment;patients in the'TQD'group were given a TCM formula'tonifying qi and detoxification'and general internal medicine treatment;patients in the'TTK'group were given a TCM formula of'TTK'and general internal medicine treatment.All participants were treated for 8 wk and then followed at 48 wk following their final treatment.The primaryefficacy end point was the patient fatality rate in each group.Measurements of various virological and biochemical indicators served as secondary endpoints.The one-way analysis of variance and the t-test were used to compare patient outcomes in the different treatment groups.RESULTS:At the 48-wk post-treatment time point,the patient fatality rates in the MMC,'TQD',and'TTK'groups were 51.61%,35.38%,and 16.67%,respectively,and the differences between groups were statistically significant(P<0.05).However,there were no significant differences in the levels of hepatitis B virus DNA or prothrombin activity among the three groups(P>0.05).Patients in the'TTK'group had significantly higher levels of serum total bilirubin compared to MMC subjects(339.40μmol/L±270.09μmol/L vs 176.13μmol/L±185.70μmol/L,P=0.014).Serum albumin levels were significantly increased in both the'TQD'group and'TTK'group as compared with the MMC group(31.30 g/L±4.77g/L,30.72 g/L±2.89 g/L vs 28.57 g/L±4.56 g/L,P<0.05).There were no significant differences in levels of alanine transaminase among the three groups(P>0.05).Safety data showed that there was one case of stomachache in the'TQD'group and one case of gastrointestinal side effect in the'TTK'group.CONCLUSION:Treatment with'TTK'improved the survival rates of patients with liver failure due to chronic hepatitis B.Additionally,liver tissue was regenerated and liver function was restored.Han-Min Li Zhi-Hua Ye Jun Zhang Xiang Gao Yan-Ming Chen Xin Yao Jian-Xun Gu Lei Zhan Yang Ji Jian-Liang Xu Ying-He Zeng Fan Yang Lin Xiao Guo-Guang Sheng Wei Xin Qi Long Qing-Jing Zhu Zhao-Hong Shi Lian-Guo Ruan Jia-Yao Yang Chang-Chun Li Hong-Bin Wu Sheng-Duo Chen Xin-La Luo 2014World Journal of Gastroenterology2014,20,48:20
13Distribution of heavy metals in sediments of the Pearl River Estuary,Southern China:Implications for sources and historical changes显示文摘The distribution of heavy metals(Pb,Zn,Cd and As) in sediments of the Pearl River Estuary was investigated.The spatial distribution of heavy metals displayed a decreasing pattern from the turbidity maxima to both upstream and downstream of the estuary,which suggested that suspended sediments played an important role in the trace metal distribution in the Pearl River Estuary.In addition,metal concentrations were higher in the west part of the estuary which received most of the pollutants from the Pearl River.In the sediment cores,fluxes of heavy metals were consistent with a predominant anthropogenic input in the period 1970-1990.From the mid-1990s to the 2000s,there was a significant decline in heavy metal pollution.The observed decline has shown the result of pollution control in the Pearl River Delta.However,it is noteworthy that the metal concentrations in the most recent sediment still remained considerably high.Taken together,the enrichment of heavy metals in sediments was largely controlled by anthropogenic pollution.Feng Ye Xiaoping Huang Dawen Zhang Lei Tian Yanyi Zeng 2012Journal of Environmental Sciences2012,24,4:18
14Natural Variation in CCD4 Promoter Underpins Species-Specific Evolution of Red Coloration in Citrus Peel显示文摘Carotenoids and apocarotenoids act as phytohormones and volatile precursors that influence plant development and confer aesthetic and nutritional value critical to consumer preference.Citrus fruits display considerable natural variation in carotenoid and apocarotenoid pigments.In this study,using an integrated genetic approach we revealed that a 5;c/s-regulatory change at CCD4b encoding CAROTENOID CLEAVAGE DIOXYGENASE 4b is a major genetic determinant of natural variation in C3 0 apocarotenoids responsible for red coloration of citrus peel.Functional analyses demonstrated that in addition the known role in synthesizing 3-citraurin,CCD4b is also responsible for the production of another important C3 0 apocarotenoid pigment,p-citraurinene.Furthermore,analyses of the CCD4b promoter and transcripts from various citrus germplasm accessions established a tight correlation between the presence of a putative 5'c/s-regulatory enhancer within an MITE transposon and the enhanced allelic expression of CCD4b in C3 0 apocarotenoid-rich red-peeled accessions.Phylogenetic analysis provided further evidence that functional diversification of CCD4b and naturally occurring variation of the CCD4b promoter resulted in the stepwise evolution of red peels in mandarins and their hybrids.Taken together,our findings provide new insights into the genetic and evolutionary basis of apocarotenoid diversity in plants,and would facilitate breeding efforts that aim to improve the nutritional and aesthetic value of citrus and perhaps other fruit crops.Xiongjie Zheng Kaijie Zhu Quan Sun Weiyi Zhang Xia Wang Hongbo Cao Meilian Tan Zongzhou Xie Yunliu Zeng Junli Ye Lijun Chai Qiang Xu Zhiyong Pan Shunyuan Xiao Paul D.Fraser Xiuxin Deng 2019Molecular Plant2019,12,9:18
15Capping CsPbBr3 with ZnO to improve performance and stability of perovskite memristors显示文摘技术与快信息存储为设备导致了迫切需要并且处理的信息的快速的发展,高密度,和低精力消费。Memristors 被认为是有所有上述的优点的下一代的记忆设备。最近,有机金属的卤化物 perovskites 被报导为 memristors 正在答应活跃材料,尽管他们有差的稳定性和低劣性能。此处,我们第一次基于无机的卤化物 perovskite (CsPbBr 3, CPB ) 报导稳定、高效的 memristors 的制造。设备有电导致地双极的抵抗切换(物件)并且有大开/关比率的存储器行为(> 10 5),低工作电压(< 1 V )并且精力消费,长数据保留(> 10 4 s ),并且高环境的稳定性,它经由在设备以内盖住的 ZnO 被完成。如此的一个图案能被使适应各种各样的设备。另外,在 CPB 和 ZnO 之间的异质接面以快速的反应速度赋予设备以超过 10 3 的导致光的物件效果(< 1 ms ) ,它使我们能由同时改变光和电场调节电阻状态。信息存储和处理能力的联合完成的如此的多功能的设备为超越传统的体系结构的未来计算有潜在的应用程序。Ye Wu Yi Wei Yong Huang Fei Cao Dejian Yu Xiaoming Li Haibo Zeng 2017Nano Research2017,10,5:17
16Persistence of hepatitis B vaccine immune protection and response to hepatitis B booster immunization显示文摘AbstractAIMToidentifythepersistenceofimmuneprotectionofChinamade,plasmaderivedhepatitisBvaccineafterinfancyimmunizationandt...LI Hui 1, LI Rong Cheng 2, LIAO Su Su 1, YANG Jin Ye 2, ZENG Xian Jia 1 and WANG Shu Sheng 2 1998World Journal of Gastroenterology1998,4,6:15
17Non-invasive ventilation improves hemorheology status in hypoxemic patients with acute myocardial infarction after PCI显示文摘血氧不足有时在经皮的冠的干预(一种总线标准) 以后与尖锐心肌的梗塞(AMI ) 在病人发生在紧急情况房间里,甚至在那些与常规高流动的氧吸入的管理。现在的学习是在与 AMI 和 hypoxemia.MethodsThis 在病人改进血氧内容和 hemorheology 评估非侵略的通风(NIV ) 的有效性的 of 未来的学习与 AMI 注册了 50 个连续合格病人(72.3 ??? 折??Xi-Fu WANG Ming YE Dong YAN Hui-Min ZHANG Ping JIA Xue-Jun REN Yu-Jie ZENG 2017Journal of Geriatric Cardiology2017,14,4:15
18Research advances in the detection of miRNA显示文摘MicroRNAs (miRNAs) are a family of endogenous, small (approximately 22 nucleotides in length), noncoding, functional RNAs. With the development of molecular biology, the research of miRNA biological function has attracted significant interest, as abnormal miRNA expression is identified to contribute to serious human diseases such as cancers. Traditional methods for miRNA detection do not meet current demands. In particular, nanomaterial-based methods, nucleic acid amplification-based methods such as rolling circle amplification (RCA), loop-mediated isothermal amplification (LAMP), strand-displacement amplification (SDA) and some enzyme-free amplifications have been employed widely for the highly sensitive detection of miRNA. MiRNA functional research and clinical diagnostics have been accelerated by these new techniques. Herein, we summarize and discuss the recent progress in the development of miRNA detection methods and new applications. This review will provide guidelines for the development of follow-up miRNA detection methods with high sensitivity and specificity, and applicability to disease diagnosis and therapy.Jiawei Ye Mingcheng Xu Xueke Tian Sheng Cai Su Zeng 2019Journal of Pharmaceutical Analysis2019,9,4:15
19A Scenario-Based Robust Transmission Network Expansion Planning Method for Consideration of Wind Power Uncertainties显示文摘This paper uses a novel scenario generation method for tackling the uncertainties of wind power in the transmission network expansion planning(TNEP)problem.A heuristic moment matching(HMM)method is first applied to generate the typical scenarios for capturing the stochastic features of wind power,including expectation,standard deviation,skewness,kurtosis,and correlation of multiple wind farms.Then,based on the typical scenarios,a robust TNEP problem is presented and formulated.The solution of the problem is robust against all the scenarios that represent the stochastic features of wind power.Three test systems are used to verify the HMM method and is compared against Taguchi’s Orthogonal Array(OA)method.The simulation results show that the HMM method has better performance than the OA method in terms of the trade-off between robustness and economy.Additionally,the main factors influencing the planning scheme are studied,including the number of scenarios,wind farm capacity,and penalty factors,which provide a reference for system operators choosing parameters.Jinghua Li Liu Ye Yan Zeng Hua Wei 2016CSEE Journal of Power and Energy Systems2016,2,1:15
20Seasonal changes in tannin and nitrogen contents of Casuarina equisetifolia branchlets显示文摘Seasonal dynamics of total phenolics (TP), extractable condensed tannins (ECT), protein-bound condensed tannins (PBCT), fiber-bound condensed tannins (FBCT), total condensed tannins (TCT), and protein precipitation capacity (PPC) in young, mature and senescent branchlets of Casuarina equisetifolia were studied at Chishan Forestry Center of Dongshan County, Fujian Province, China. In addition, nitrogen contents of branchlets at the different developmental stages were also determined. The contents of TP and ECT, and PPC in young branchlets were significantly higher than those in mature and senescent branchlets through the season. However, PBCT contents were significantly higher in senescent branchlets than those in young and mature branchlets; FBCT fluctuated with season. Young branchlets had the highest N content, which decreased during branch maturity and senescence. The highest contents of TP and the lowest contents of TCT and N in young and mature branchlets were observed in summer. There was a significant negative correlation between TP and N contents. In contrast, TCT contents were positively correlated to N contents. Nutrient resorption during senescence and high TCT:N ratios in senescent branchlets are the important nutrient conservation strategies for C. equisetifolia.Li-hua ZHANG Gong-fu YE Yi-ming LIN Hai-chao ZHOU Qi ZENG 2009Journal of Zhejiang University-Science B(Biomedicine & Biotechnology)2009,10,2:11
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